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Finding the Third Proportional to 68,940,703.50 and 147,716,686.50

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Solution

The third proportional to 68,940,703.50 and 147,716,686.50 is: 316,507,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,940,703.50 : 147,716,686.50 = 147,716,686.50 : x
  2. Step 2: Convert to fraction form
    68,940,703.50/147,716,686.50 = 147,716,686.50/x
  3. Step 3: Cross multiply
    68,940,703.50x = 147,716,686.50 × 147,716,686.50
  4. Step 4: Simplify right side
    68,940,703.50x = 21,820,219,470,539,284
  5. Step 5: Solve for x
    x = 21,820,219,470,539,284/68,940,703.50
  6. Step 6: Final answer
    x = 316,507,061.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.